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Performance Series Whey Isolate+ Lean Muscle Builder Whey Isolate & Peptides Primary Source Builds 70% More Lean Muscle Than Regular Whey* Amplifies Recovery, Performance & Strength* NITRO-TECH® is a scientifically engineered whey isolate+ lean musclebuilder formula designed for all athletes who are looking for more muscle, more strength and better performance. NITRO-TECH® contains protein sourced primarily from whey protein isolate and whey peptides – two of the cleanest and purest protein sources available to athletes. Other whey protein supplements might have only a few grams of these highly bioavailable and easily digested proteins. NITRO-TECH® is also enhanced with the most studied form of creatine for even better gains in muscle and strength.* Each scoop of NITRO-TECH® contains a research-proven dose (3g) of creatine monohydrate. Combined in NITRO-TECH®, whey protein and creatine build more strength than regular whey protein. In one study, subjects using the whey/creatine combination in NITRO-TECH® increased their 1-rep max bench press by 34lbs, compared to only 14lbs for subjects using regular whey protein.* A single scoop of NITRO-TECH® contains 30g of protein, primarily from whey protein isolate and whey peptides, with only 4g of carbs and 2.5g of fat! Most protein powders deliver significantly less protein per scoop, while some protein formulas are loaded with fat and carbs. The whey protein in NITRO-TECH® has been filtered using Multi-Phase Filtration Technology for less fat, lactose and impurities than cheaper protein sources. Every flavor of NITRO-TECH® won in head-to-head third-party taste tests against leading competitors. Unlike the competition, Performance Series products contain superior key ingredients in clinically dosed amounts that are fully disclosed, so you know exactly what you are paying for.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Product Directions / Additional Info

Mix 1 serving (1 scoop) in 6 oz. or 2 servings (2 scoops) in 12 oz. of cold water or skim milk in a glass or shaker cup. Use between major meals and after exercise. Drink 8 to 10 glasses of water daily. For maximum results, consume 4 scoops of NITRO-TECH® daily for a minimum of six weeks.

Warning: Use this product as a food supplement only. Do not use for weight reduction.

Do not use if pregnant or nursing. Consult a medical doctor before starting any diet or exercise program. Discontinue use and consult a medical doctor if you experience unusual symptoms. Do not use if packaging has been tampered with.

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This scientific independent research is provided by Aisle7 and is for informational use only. GNC provides this information as a service but does not endorse it. Likewise, Aisle7 does not recommend or endorse any specific products.

For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Dose: 20 grams daily up to 1.2 grams of per 2.2 of pounds body weight per dayAnimal studies suggest that whey protein can increase gains in lean body mass resulting from exercise. One study found that people taking whey protein improved their performance on a test of short-term intense cycling exercise.(more)

Dose: Refer to label instructionsWhey protein appears to improve some aspects of immune function. One trial showed that whey protein increased blood glutathione levels in a group of HIV-infected people.(more)

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Dose: Refer to label instructionsWhey protein is rich in the amino acid cysteine, which the body uses to make glutathione, an important antioxidant. Supplementing with it may improve immune function.(more)

Dose: Refer to label instructionsSome whey proteins may reduce bone loss. Milk basic protein (MBP) is a mixture of some of the proteins found in whey protein and has been shown to promote bone density(more)

Dose: 20 grams daily up to 1.2 grams of per 2.2 of pounds body weight per day

Animal studies suggest that whey protein can increase gains in lean body mass resulting from exercise.1 A controlled trial found that six weeks of strength training while taking 1.2 grams of whey protein per 2.2 of pounds body weight per day resulted in greater gains in lean body mass, but improved only one out of four strength tests.2 Another controlled study found that people taking 20 grams per day of whey protein for three months performed better on a test of short-term intense cycling exercise than people taking a similar amount of milk protein (casein).3 However, a double-blind trial found that men taking 1.5 grams per 2.2 lbs of body weight per day of predigested whey protein for 12 weeks along with a strength training exercise program gained only half as much lean body mass and had significantly smaller increases in strength compared with men using a similar amount of predigested casein along with strength training.4 A controlled study of HIV-infected women found that adding whey protein to strength training exercise was no more effective than exercise alone for increasing strength or improving body composition.5

A double-blind trial showed that 45 grams per day of whey protein increased blood glutathione levels in a group of HIV-infected people.1 Test tube2, 3 and animal4 studies suggest that whey protein may improve some aspects of immune function.

Whey protein is rich in the amino acid cysteine, which the body uses to make glutathione, an important antioxidant. A double-blind trial showed that 45 grams per day of whey protein increased blood glutathione levels in a group of HIV-infected people.1 Test tube2 and animal3 studies suggest that whey protein may improve some aspects of immune function.

Some whey proteins may reduce bone loss.1 Milk basic protein (MBP) is a mixture of some of the proteins found in whey protein. A preliminary trial found that 300 mg per day of MBP improved blood measures of bone metabolism in men, suggesting more bone formation was occurring than bone loss.2 A double-blind trial found that women taking 40 mg per day of MBP for six months had greater gains in bone density compared with those taking a placebo.3 No osteoporosis-related research has been done using complete whey protein mixtures.

Whey protein may aid weight loss due to its effect on appetite. In a preliminary study, people were given 48 grams of either whey protein or milk protein (casein). Whey consumption resulted in more hunger satisfaction and reduced the amount of food eaten 90 minutes later compared with casein consumption.1 However, a double-blind study found that men taking 1.5 grams per 2.2 lbs body weight per day of whey protein for 12 weeks along with a low-calorie diet and a strength training exercise program lost the same amount of weight and body fat as did a control group that followed a similar program, but took a casein supplement instead of whey protein.2

Whey protein is a mixture of some of the proteins naturally found in milk. The major proteins found in whey protein include beta-lactoglobulin and alpha-lactalbumin. Whey protein has one of the highest protein digestibility-corrected amino acid scores (PDCAAS; a measure of protein bioavailability) and is more rapidly digested than other proteins, such as casein (another milk protein). 1

The information presented by Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2017.